Meteorological bulletins containing operational meteorological information to be transmitted via the aeronautical fixed
service or the public Internet shall contain a heading consisting of:
a) an identifier of four letters and two figures; b) the ICAO four-letter location indicator corresponding to the geographical location of the meteorological office originating or compiling the meteorological bulletin; c) a day-time group; and d) if required, a three-letter indicator.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.